In the dred scott case ,the supreme court decided?

President roosevelt launched the bold new programs that became known as the second new deal primarily because

Why did mobs of whites attack chinese workers

The telegraph, the transatlantic telegraph cable, and the telephone were important to businesses after 1850 because of a. they created a system for developing new inventions. b. they filled a need that other inventions of the day could not. c. they attracted investors and created the stock market. d. they made picture-taking a popular american pastime.